Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Truvada (emtricitabine/tenofovir disoproxil fumarate) and Descovy (emtricitabine/tenofovir alafenamide) are both combination medications used to treat and prevent HIV infection but there are some key differences. Truvada is available as a lower-cost generic, while Descovy is not. Both medications are taken once daily and work by stopping the virus from making copies of itself. However, Truvada can be used to prevent HIV from both sexual activity and injection drug use, whereas Descovy is not approved for prevention from sharing injection supplies or receptive vaginal sex. Descovy is considered safer for your kidneys and bones compared to Truvada. Common side effects of Truvada include nausea, diarrhea, and dizziness, while Descovy commonly causes nausea and diarrhea. Both medications require regular blood tests to monitor your health.
Truvada, also known as TDF/FTC, is a combination medication that contains the antiretrovirals emtricitabine and tenofovir disoproxil fumarate. Truvada is used as part of an antiretroviral (ARV) regimen to treat HIV (human immunodeficiency virus) infections in adults and children. It's also preferred for HIV PrEP (pre-exposure prophylaxis or prevention). This medication works against HIV by stopping the virus from making copies of itself and spreading. Truvada tablets are taken by mouth once daily. Side effects when it's used for treating HIV include nausea, diarrhea, and dizziness. And Truvada side effects when used for PrEP include headache and belly pain.
Summary for Antiretroviral
Prescription only
Descovy (emtricitabine / tenofovir alafenamide) is a prescription antiretroviral pill used to treat and prevent human immunodeficiency virus (HIV) infection. It's FDA approved for use with other HIV medications to treat HIV in adults and children. It's also approved for pre-exposure prophylaxis (PrEP) to help reduce the risk of getting HIV in adults and teens. You take it once a day by mouth, with or without food. Some common side effects include nausea and diarrhea.